SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* GRUPO MEXICO SA DE CV /FI (Last) (First) (Middle) BAJA CALIFORNIA NO 200 ROMA SUR (Street) MEXICO CITY MEXICO O5 06760 DF (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol SOUTHERN PERU COPPER CORP/ [ PCU ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 12/04/2003
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	12/04/2003		S		10,300	D	$42.59	17,400(1)	I	I(2)
Common Stock	12/05/2003		S		7,100	D	$42.33	10,300(1)	I	I(2)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

1. Name and Address of Reporting Person* GRUPO MEXICO SA DE CV /FI (Last) (First) (Middle) BAJA CALIFORNIA NO 200 ROMA SUR (Street) MEXICO CITY MEXICO O5 06760 DF (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* GRUPO MINERO MEXICO INTERNACIONAL SA DE CV (Last) (First) (Middle) BAJA CALIFORNIA NO 200 COL ROMA SUR (Street) MEXICO O5 06760 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* CONTROLADORA MINERA MEXICO SA DE CV (Last) (First) (Middle) BAJA CALIFORNIA NO 200 COL ROMA SUR (Street) MEXICO O5 06760 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* AMERICAS MINING CORP (Last) (First) (Middle) 2575 EAST CAMELBACK ROAD SUITE 500 (Street) PHOENIX AZ 85016 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. The Reporting Person is also the indirect owner of 43,348,949 shares of Class A Common Stock of the

2. These shares are held directly by Infrastructura y Transportes Mexico, S.A. de C.V. ("ITM"). On June 9, 2003, ITM acquired the shares from ASARCO Incoproated ("ASARCO"). ASARCO is a wholly-owned subsidiary of Americas Mining Corpoation ("AMC"). Controladora Minera Mexico, S.A. de C.V. ("Controladora") owns approximately 40% of AMC, and Controladora is a wholly-owned subsidiary of Grupo Minero Mexico Internacional, S.A. de C.V. ("GMMI"). Each of ITM, AMC, GMMI and Controladora are direct or indirect wholly-owned subsidiraries of Grupo Mexico, S.A. de C.V. (the "Reporting Person"). AMC, GMMI and Controladora each disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interest therein.

	/s/ Hector Garcia de Quevedo	12/09/2003
	/s/ Eduardo Gonzalez Felix	12/09/2003
	/s/ Hector Garcia de Quevedo	12/09/2003
	/s/ Hector Nieto Costilla	12/09/2003
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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